# bool类型 false为0true为1
sex = True
gender = False
num = 3
print(sex + num)  # 4
print(3 + gender)  # 3

print("-" * 10)
# 测试字符串相加
first_ame = "张"
last_name = "三"
# 张三张三张三张三张三张三张三张三张三张三
print((first_ame + last_name) * 10)
